2019-07-09T23:57:18 Created temporary directory: /tmp/pip-ephem-wheel-cache-msl5g353
2019-07-09T23:57:18 Created temporary directory: /tmp/pip-req-tracker-14rw_yhh
2019-07-09T23:57:18 Created requirements tracker '/tmp/pip-req-tracker-14rw_yhh'
2019-07-09T23:57:18 Created temporary directory: /tmp/pip-wheel-km52tm8c
2019-07-09T23:57:18 Collecting ipopt==0.1.8
2019-07-09T23:57:18   1 location(s) to search for versions of ipopt:
2019-07-09T23:57:18   * https://pypi.org/simple/ipopt/
2019-07-09T23:57:18   Getting page https://pypi.org/simple/ipopt/
2019-07-09T23:57:18   Analyzing links from page https://pypi.org/simple/ipopt/
2019-07-09T23:57:19     Found link https://files.pythonhosted.org/packages/c3/38/805ae1e59a4fc51831d04fd8b6d7b54cc055a40d2049d7daf2845e34e34a/ipopt-0.1.3.zip#sha256=58567510425d43566934a77cd8e7022aa2538a83eaaf8ec01ac09a0bb7437092 (from https://pypi.org/simple/ipopt/), version: 0.1.3
2019-07-09T23:57:19     Found link https://files.pythonhosted.org/packages/e6/1b/808efe1697386b150290b784d8c8d04515637fffa0a8d7bcbc2b0f8d0bc0/ipopt-0.1.7.tar.gz#sha256=c78406505e5c89fcdd184401d0482c6a29980c876250530ee3e015f3d72825f9 (from https://pypi.org/simple/ipopt/), version: 0.1.7
2019-07-09T23:57:19     Found link https://files.pythonhosted.org/packages/f1/4a/b2d9b4e4290337ed74b0cbaf020c3b7724f9d90763b9dfcdec9d93a5d2b8/ipopt-0.1.8.tar.gz#sha256=ec7a22334353e50f1a7ae36865771a6c08e1fd4b165cf63676ea3cc1cad770c9 (from https://pypi.org/simple/ipopt/), version: 0.1.8
2019-07-09T23:57:19     Found link https://files.pythonhosted.org/packages/05/57/a7c5a86a8f899c5c109f30b8cdb278b64c43bd2ea04172cbfed721a98fac/ipopt-0.1.9.tar.gz#sha256=b5f443062327d534283cbc499ecab294edca9d7ae0b46c26c459172ce9cc7bed (from https://pypi.org/simple/ipopt/), version: 0.1.9
2019-07-09T23:57:19   Using version 0.1.8 (newest of versions: 0.1.8)
2019-07-09T23:57:19   Created temporary directory: /tmp/pip-unpack-vbyntz17
2019-07-09T23:57:19   Downloading https://files.pythonhosted.org/packages/f1/4a/b2d9b4e4290337ed74b0cbaf020c3b7724f9d90763b9dfcdec9d93a5d2b8/ipopt-0.1.8.tar.gz (41kB)
2019-07-09T23:57:19   Downloading from URL https://files.pythonhosted.org/packages/f1/4a/b2d9b4e4290337ed74b0cbaf020c3b7724f9d90763b9dfcdec9d93a5d2b8/ipopt-0.1.8.tar.gz#sha256=ec7a22334353e50f1a7ae36865771a6c08e1fd4b165cf63676ea3cc1cad770c9 (from https://pypi.org/simple/ipopt/)
2019-07-09T23:57:19   Added ipopt==0.1.8 from https://files.pythonhosted.org/packages/f1/4a/b2d9b4e4290337ed74b0cbaf020c3b7724f9d90763b9dfcdec9d93a5d2b8/ipopt-0.1.8.tar.gz#sha256=ec7a22334353e50f1a7ae36865771a6c08e1fd4b165cf63676ea3cc1cad770c9 to build tracker '/tmp/pip-req-tracker-14rw_yhh'
2019-07-09T23:57:19     Running setup.py (path:/tmp/pip-wheel-km52tm8c/ipopt/setup.py) egg_info for package ipopt
2019-07-09T23:57:19     Running command python setup.py egg_info
2019-07-09T23:57:21     Package ipopt was not found in the pkg-config search path.
2019-07-09T23:57:21     Perhaps you should add the directory containing `ipopt.pc'
2019-07-09T23:57:21     to the PKG_CONFIG_PATH environment variable
2019-07-09T23:57:21     No package 'ipopt' found
2019-07-09T23:57:21     Traceback (most recent call last):
2019-07-09T23:57:21       File "<string>", line 1, in <module>
2019-07-09T23:57:21       File "/tmp/pip-wheel-km52tm8c/ipopt/setup.py", line 86, in <module>
2019-07-09T23:57:21         **pkgconfig('ipopt'))]
2019-07-09T23:57:21       File "/tmp/pip-wheel-km52tm8c/ipopt/setup.py", line 55, in pkgconfig
2019-07-09T23:57:21         kw['include_dirs'] += [np.get_include()]
2019-07-09T23:57:21     KeyError: 'include_dirs'
2019-07-09T23:57:22 Cleaning up...
2019-07-09T23:57:22   Removing source in /tmp/pip-wheel-km52tm8c/ipopt
2019-07-09T23:57:22 Removed ipopt==0.1.8 from https://files.pythonhosted.org/packages/f1/4a/b2d9b4e4290337ed74b0cbaf020c3b7724f9d90763b9dfcdec9d93a5d2b8/ipopt-0.1.8.tar.gz#sha256=ec7a22334353e50f1a7ae36865771a6c08e1fd4b165cf63676ea3cc1cad770c9 from build tracker '/tmp/pip-req-tracker-14rw_yhh'
2019-07-09T23:57:22 Removed build tracker '/tmp/pip-req-tracker-14rw_yhh'
2019-07-09T23:57:22 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-km52tm8c/ipopt/
2019-07-09T23:57:22 Exception information:
2019-07-09T23:57:22 Traceback (most recent call last):
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-07-09T23:57:22     status = self.run(options, args)
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-07-09T23:57:22     resolver.resolve(requirement_set)
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/resolve.py", line 131, in resolve
2019-07-09T23:57:22     self._resolve_one(requirement_set, req)
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-07-09T23:57:22     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-07-09T23:57:22     self.require_hashes
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-07-09T23:57:22     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-07-09T23:57:22     self.req.prepare_metadata()
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-07-09T23:57:22     self.run_egg_info()
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-07-09T23:57:22     command_desc='python setup.py egg_info')
2019-07-09T23:57:22   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-07-09T23:57:22     % (command_desc, proc.returncode, cwd))
2019-07-09T23:57:22 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-km52tm8c/ipopt/